Tandem harrow.



C, S. SHARP.

TANDEM HARROW,

MIPLICAHON FILED AUG.29. 19x3.

1.516%,46. Patented. Jan. 4, 1936,

qflify the construciion of such 1 an antcnm'i ically ajustaifie CHARLES E. SHARE, G3? HAR-VESTFLU CGMPAh Application fx'icrl 12.115

To all whom it ooncewc:

Be it known 11235 1, On a citizen of the United Auburn, 11'; the cimnty of C2. mg and f New York have invent and useful lnqn'ovcxinel'zis um! Paws, of W 'ch the jfcilfla'ing z:- iull, 03cm; and exact specification.

My invention relates 0 tandcm barrows. it has for its object. to imw'c'vc :1 m1

:mwss.

1 extending; frame )buuhty of torwardlycx *lle cmbodimcnt shown in Fig. 1, each other in such a manner :1 e of substantially 45. fcrxvznfi culls of these members are 7 crabyojif muud c 055 section and bent biovwflv'rrd substantially at right angl at A more specific objcct 0i y to improve the cozlneciicn bBl-WC; and rear gang members tberco'f i1 manner that the latter is maintained desired relation. to the tfrci during the. turning of the 1. operating 011 a side bib and :1; strai ing, etc, of the frumcs and draw; mm ncciions arc eiiminated,

I. attain these objccis by th c0" bcx'ci 1 .21

' 2 in End a. manner as to protrude through ciy movabic in a plurality of .opcbs mscd uremic slots 13 formed Vite sdcs A a hcnzontally disposed .iruding rearwar llyircm i mac. I! at point substantially be P: rigidly attachcd= "to of any suitablc bola; m in Fig. 2, disc c. J mcmbcrs from $15)?! y prevented, by means 0'? of improved coa'xszructjicb. scribed.

In the drawisfls iliustm'tcd 'nbcdimc-niis m venticn may assmnc practice. 1 ever, to bcimdel smi that the for! herein. may bc nwd'ific Without from the spiritbi' my i'vention.

Figure 1 a top plan View of madam hflillOW equipped Wifib mac provcment. I 23 poraiou 0f bhc barrow iLusm. showing the draft connccti 3 is a top plan view 01 n modb he tame ccnstmction,

In the first c1; c iin'lcnt 5310 from hMI'OW frame 1 is prov" plurality of disk gazws 2 pi at 3 to the Yam; cm? icrco'f c manner and afljusmbic win. line of draft ihro'ngi': i -hc x ratchet connections 54: Wbiilc the: rear. barrow providcu W1: adjusbable disk gangs am? 2' through similar lever cozmcatim at the rear 01" the epcrcf tw-ccn the ilWu barrow v, impmwd draft (TORQHEUUUEK scribed, is cmpicycd.

As shown in F5; sbamially irismg in iz 1g.sidc membcw b-sfinzz L mm a mqdificatiom reds 11, the rotis t0 cach other, as .ud toward the rear of 5 in such a, manner as to 2 ii'hc 1 mm fr'nembcr It f? flan; thi construction a. Z Usbapcd'bmcing and QYHPEOYBFI, the arms of Mac 36 me outsidedmft rod '1 time and of its $k,

' 1 Emft members orrods;ll,-

A, which in turn carriedemung through the dowaek 1 in Fig. 1, whercin 1e barfcw {drawn along from the, pcsitimi 10. In combination, a plurality of barrows disposed one in front of the other, and flexible tandem draft connections therefor comprising a member carried on one of said barrows having oppositely disposed arcuate 'slots therein,

in as an axis as said barrows move along a side hill or pass over uneven ground.

11. In a disk harrow, a front and rear Frame, each having a pair of disk gangs pivotally mounted thereon on opposite sides of the median lineof draft, members on the rear frame on opposite sides of the median line of draft, each connected to the front frame and capable of movement in a horizontal plane relative thereto.

12. In a disk harrow, a front and rear frame, each having a pair of disk gangs pivotally mounted thereon on opposite sides of the median line of draft, members on one of said frames on opposite sides of the median line of draft, each connected to the of a front and rear frame, 'earth Working devices, arms connecting said other frame and capable of movement in a horizontal plane relatively thereto.

13. In combination With front and rear harrow units employing disks, members rigid with one unit and movable in a horizontal plane With respect to the other unit connecting said units, each of said members being Wholly on one side of the median line of draft.

14:. In a double harrow, the combination each carrying frames at ,each side of the line of draft, said arms'each having a connection Wlth one of said ,Tramcs to permlt of movement in a horizontal plane relative thereto and to pern'iit one of said frames to swing to- Ward the other frame on either of said connections.

In testimony whereof I aflix my signature, in the presence of two Witnesses.

CHARLES s. SHARP. Vitnesses H. J. MoMAHoN, Roxanna K. FORTH. 

